Adjustable seat



FIG. 1 is a front left perspective view of an adjustable seat in a first position having our new design;

FIG. 2 is a front view of the seat of FIG. 1; and

FIG. 3 is a side view of the seat of FIG. 1.

FIG. 4 is a front left perspective view of an adjustable seat in a second position having our new design;

FIG. 5 is a front view of the seat of FIG. 4; and

FIG. 6 is a side view of the seat of FIG. 4.

FIG. 7 is a front left perspective view of an adjustable seat in a third position having our new design;

FIG. 8 is a front view of the seat of FIG. 7; and

FIG. 9 is a side view of the seat of FIG. 7.

FIG. 10 is a front left perspective view of an adjustable seat in a fourth position having our new design;

FIG. 11 is a front view of the seat of FIG. 10; and

FIG. 12 is a side view of the seat of FIG. 10.

FIG. 13 is a front left perspective view of an adjustable seat in a fifth position having our new design;

FIG. 14 is a front view of the seat of FIG. 13; and,

FIG. 15 is a side view of the seat of FIG. 13.

The dash-dot lines in the figures represent boundaries of the design that form no part of the claim. The dot-dot lines represent optional features, such as nail heads, and other portions of the adjustable seat that form no part of the claimed design. 

CLAIM We claim the ornamental design for an adjustable seat, as shown and described. 